Betzalel Bazak, Nir Barnea
We study the response of universal trimers to photo reactions. Using multipole expansion we demonstrate that at the high frequency tail, the response function exhibits log periodic oscillations in all partial waves. In contrast, near the threshold log periodic oscillations appear only in the leading s-wave component. These oscillations are the fingerprints of universal Efimov physics. We discuss the relevance of this effect for contemporary experiments in ultracold atoms.
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http://arxiv.org/abs/1305.4368
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